TY  - GEN
AU  - Tiwari , P. D.
TI  - Environment nutritional deficiency and its improvement
SN  - 8185119775
U1  - 362.176 
PY  - 1990///
CY  - New Delhi
PB  - Northern book center
KW  - ENVIRONMENTAL ECONOMICS
KW  - RESEARCH METHDOLOGY
KW  - ENVIRONMENTAL GEOGRAPHY
KW  - AGRICULTURE ENVIRONMENT
ER  -